Παραπομπή APA

Lieber, L. R., & Lieber, H. G. (1945). Einstein theory of relativity. Dennis Dobson.

Παραπομπή Chicago Style

Lieber, Lillian R., και Hugh Gray Lieber. Einstein Theory of Relativity. New York, Toronto: Dennis Dobson, 1945.

Παραπομπή MLA

Lieber, Lillian R., και Hugh Gray Lieber. Einstein Theory of Relativity. Dennis Dobson, 1945.